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main_test.go
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package main
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestGetNeighbors(t *testing.T) {
c := [][]bool{
{false, true, false},
{false, false, false},
{false, false, false},
}
assert.Equal(t, 1, getNeighbors(c, 1, 1))
assert.Equal(t, 0, getNeighbors(c, 0, 1))
assert.Equal(t, 0, getNeighbors(c, 2, 2))
assert.Equal(t, 1, getNeighbors(c, 1, 0))
assert.Equal(t, 1, getNeighbors(c, 0, 2))
assert.Equal(t, 1, getNeighbors(c, 1, 2))
assert.Equal(t, 1, getNeighbors(c, 0, 0))
}
func TestCanvasNext(t *testing.T) {
c := [][]bool{
{false, false, false},
{true, true, true},
{false, false, false},
}
next := canvasNext(c)
assert.Equal(t, [][]bool{
{false, true, false},
{false, true, false},
{false, true, false},
}, next)
}
func TestResizeCanvas(t *testing.T) {
// square with odd size
c := [][]bool{
{false, false, false},
{false, true, false},
{false, false, false},
}
assert.Equal(t, [][]bool{
{false, false, false, false},
{false, true, false, false},
{false, false, false, false},
{false, false, false, false},
}, resizeCanvas(c, 4, 4))
assert.Equal(t, [][]bool{
{false, false, false, false, false},
{false, false, false, false, false},
{false, false, true, false, false},
{false, false, false, false, false},
{false, false, false, false, false},
}, resizeCanvas(c, 5, 5))
// square with even size
c = [][]bool{
{false, false, false, false},
{false, true, true, false},
{false, false, false, false},
}
assert.Equal(t, [][]bool{
{false, false, false, false, false, false},
{false, false, false, false, false, false},
{false, false, true, true, false, false},
{false, false, false, false, false, false},
{false, false, false, false, false, false},
{false, false, false, false, false, false},
}, resizeCanvas(c, 6, 6))
assert.Equal(t, [][]bool{
{false, false, false, false, false, false, false},
{false, false, false, false, false, false, false},
{false, false, false, false, false, false, false},
{false, false, true, true, false, false, false},
{false, false, false, false, false, false, false},
{false, false, false, false, false, false, false},
{false, false, false, false, false, false, false},
}, resizeCanvas(c, 7, 7))
// rectangle
c = [][]bool{
{false, false, false},
{false, true, false},
{false, true, false},
{false, false, false},
}
assert.Equal(t, [][]bool{
{false, false, false, false, false},
{false, false, true, false, false},
{false, false, true, false, false},
{false, false, false, false, false},
{false, false, false, false, false},
}, resizeCanvas(c, 5, 5))
assert.Equal(t, [][]bool{
{false, false, false, false, false, false},
{false, false, false, false, false, false},
{false, false, true, false, false, false},
{false, false, true, false, false, false},
{false, false, false, false, false, false},
{false, false, false, false, false, false},
}, resizeCanvas(c, 6, 6))
assert.Equal(t, [][]bool{
{false, false, false, false, false},
{false, false, true, false, false},
{false, false, true, false, false},
{false, false, false, false, false},
}, resizeCanvas(c, 4, 5))
}